1// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -pedantic -verify -fsyntax-only 2 3__global const int& f(__global float &ref) { 4 return ref; // expected-error{{reference of type 'const __global int &' cannot bind to a temporary object because of address space mismatch}} 5} 6 7int bar(const __global unsigned int &i); // expected-note{{passing argument to parameter 'i' here}} 8//FIXME: With the overload below the call should be resolved 9// successfully. However, current overload resolution logic 10// can't detect this case and therefore fails. 11int bar(const unsigned int &i); 12 13void foo() { 14 bar(1); // expected-error{{binding reference of type 'const __global unsigned int' to value of type 'int' changes address space}} 15} 16 17// Test addr space conversion with nested pointers 18 19extern void nestptr(int *&); // expected-note {{candidate function not viable: no known conversion from '__global int *__private' to '__generic int *__generic &__private' for 1st argument}} 20extern void nestptr_const(int * const &); // expected-note {{candidate function not viable: cannot pass pointer to address space '__constant' as a pointer to address space '__generic' in 1st argument}} 21int test_nestptr(__global int *glob, __constant int *cons, int* gen) { 22 nestptr(glob); // expected-error{{no matching function for call to 'nestptr'}} 23 // Addr space conversion first occurs on a temporary. 24 nestptr_const(glob); 25 // No legal conversion between disjoint addr spaces. 26 nestptr_const(cons); // expected-error{{no matching function for call to 'nestptr_const'}} 27 return *(*cons ? glob : gen); 28} 29